The most common and most likely answer to this crossword clue is the 7 letter word DOMINGO
I've seen this crossword clue in The Times
D
O
M
I
N
G
O
More clues leading to the result DOMINGO
- Tenor in party getting Chinese duck
- Tenor spotted piece to include: grand!
- Singer is good in loose cloak
- Spaniard, one often spotted around German
- Idle scoffing McDonald’s
- Big-name rock’n’roller concealing good tenor voice
- For man with great voice, dog will nurture some devotion
- Singer performing with love, entertaining millions
Buddy explains!

The straight part
We know that "Tenor" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case tenor = domingo.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.